EC 3749 then IB 5338 at Barcelona
Milan → Barcelona → Rome
Timetable, Barcelona time
09:40EC 3749 from Milan at the gate
11:30IB 5338 to Rome leaves the gatealso LL 5338
1 h 50 apart on the timetable
The last days
EC 3749 and IB 5338 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.